refactor: ensure we have a proper curl handle before calling curl_close

Author: carlalexander

phpstan-baseline.neon

@@ -66,6 +66,12 @@ parameters:
 			count: 1
 			path: src/Runtime.php
 
+		-
+			message: '#^Class CurlHandle not found\.$#'
+			identifier: class.notFound
+			count: 1
+			path: src/RuntimeApiClient.php
+
 		-
 			message: '#^Method Ymir\\Runtime\\RuntimeApiClient\:\:sendData\(\) has parameter \$data with no type specified\.$#'
 			identifier: missingType.parameter

src/RuntimeApiClient.php

@@ -71,7 +71,9 @@ public function __construct(string $apiUrl, Logger $logger)
      */
     public function __destruct()
     {
-        curl_close($this->nextInvocationHandle);
+        if ((\PHP_VERSION_ID < 80000 && is_resource($this->nextInvocationHandle)) || (\PHP_VERSION_ID >= 80000 && $this->nextInvocationHandle instanceof \CurlHandle)) {
+            curl_close($this->nextInvocationHandle);
+        }
     }
 
     /**